He number of chromosomes in each cell goes from diploid to haploid after 1)anaphase 1 2) telophase 1 3) anaphase 2 4) telophase 2

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.

Which direction does the energy flow in this energy pyramid ?